21065628

素因数分解:

$2^2\times 3^1\times {\mathrm{353}}^1\times {\mathrm{4973}}^1$

素因数の和:5333

約数の個数: 24

約数和(自身を含む): 49302288

約数和(自身を除く): 28236660

約数列:

[1, 2, 3, 4, 6, 12, 353, 706, 1059, 1412, 2118, 4236, 4973, 9946, 14919, 19892, 29838, 59676, 1755469, 3510938, 5266407, 7021876, 10532814, 21065628]

約数ペア:

[(1, 21065628), (2, 10532814), (3, 7021876), (4, 5266407), (6, 3510938), (12, 1755469), (353, 59676), (706, 29838), (1059, 19892), (1412, 14919), (2118, 9946), (4236, 4973)]